In a significant but necessary move, AMC Theaters has decided to close its theaters nationwide for the time-being. The White House announced new national guidelines yesterday to help combat the spread of coronavirus COVID-19, and as part of those guidelines they recommended steering clear of gatherings of 10 people or more for at least the next two weeks. As a result, Regal Cinemas decided to close its theaters across the country, and now AMC—the largest theater circuit in America—is following suit. AMC had previously decided to institute a policy of limiting theater capacity by 50%, but …